2543343 has 16 divisors (see below), whose sum is σ = 3801216. Its totient is φ = 1499040.

The previous prime is 2543341. The next prime is 2543351. The reversal of 2543343 is 3433452.

It is not a de Polignac number, because 2543343 - 2¹ = 2543341 is a prime.

It is a plaindrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2543341) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 180 + ... + 2262.

It is an arithmetic number, because the mean of its divisors is an integer number (237576).

2^2543343 is an apocalyptic number.

2543343 is a deficient number, since it is larger than the sum of its proper divisors (1257873).

2543343 is a wasteful number, since it uses less digits than its factorization.

2543343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2134.

The product of its digits is 4320, while the sum is 24.

The square root of 2543343 is about 1594.7861925663. The cubic root of 2543343 is about 136.5007312551.

Adding to 2543343 its reverse (3433452), we get a palindrome (5976795).

It can be divided in two parts, 2 and 543343, that added together give a palindrome (543345).

The spelling of 2543343 in words is "two million, five hundred forty-three thousand, three hundred forty-three".